I 400x150x6x8 Cintac · Weight & Dimensions

Cintac, welded sections · Wide Flange (I-beam)

Wide flange beams (W shapes / I-beams) are the most common structural steel profile used in building construction. They are used for beams, columns, and girders in steel-framed buildings and bridges. Designed per AISC 360, Eurocode 3, and NBR 8800.

Also known as: I 400x150x6x8 (México) · Doble T I 400x150x6x8 (Argentina / LATAM) · UB 400 (UK / Australia)

The I 400x150x6x8 steel profile weighs 36.9 kg/m (24.80 lb/ft), has a depth of 400 mm (15.75 in), flange width 150 mm (5.91 in). Cross-sectional area: 4,704 mm². Moment of inertia Ix = 12,052.275 cm⁴, Iy = 450.691 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	400 mm	15.75 in
Width (b)	150 mm	5.91 in
Web thickness (tw)	6 mm	0.24 in
Flange thickness (tf)	8 mm	0.31 in
Weight	36.9 kg/m	24.80 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,704 mm²	7.291 in²
Moment of inertia (Ix)	12,052.28 cm⁴	289.56 in⁴
Moment of inertia (Iy)	450.69 cm⁴	10.83 in⁴
Elastic section modulus (Sx)	602.61 cm³	36.774 in³
Elastic section modulus (Sy)	60.09 cm³	3.667 in³
Plastic section modulus (Zx)	691.58 cm³	42.203 in³
Plastic section modulus (Zy)	93.46 cm³	5.703 in³
Radius of gyration (rx)	16.01 cm	6.302 in
Radius of gyration (ry)	3.1 cm	1.219 in